.box{
  background: url('') no-repeat;
  background-size: cover;
}
.sign-box {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    .img-box {
      position: relative;
      width: 312rpx;
      >image{
        width: 100%;
      }
      .time {
        position: absolute;
        bottom: 107rpx;
        left: 50%;
        transform: translateX(-50%);
        color: #fff;
      }
    }
    text {
      font-size: 26rpx;
      color: #fff;
    }
  }

  